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Finding the Fourth Proportional to 21,711.52, 32,568.48 and 6,130.48

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Solution

The fourth proportional to 21,711.52, 32,568.48 and 6,130.48 is: 9,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.52 : 32,568.48 = 6,130.48 : x
  2. Step 2: Convert to fraction form
    21,711.52/32,568.48 = 6,130.48/x
  3. Step 3: Cross multiply
    21,711.52x = 32,568.48 × 6,130.48
  4. Step 4: Simplify right side
    21,711.52x = 199,660,415.27
  5. Step 5: Solve for x
    x = 199,660,415.27/21,711.52
  6. Step 6: Final answer
    x = 9,196.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.